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So I've been using cura for a while now it's very intuitive i like it, I am also designing my own parts now with freecad and starting with fusion 360.

The problem however is not only with things I have designed but with everything i slice. If the object has a hole and then a larger hole outside of it in close proximity as with a surface with a countersunk screw it will slice it so that the outer top hole walls are printed on just infill leaving a small gap. I presume it should use the last layers of the smaller hole underneath and make a bottom surface for the top hole.

This doesn't notice on thick walls but they must be thin for this and many projects i do, I tried changing top and bottom layer counts but it seems that cured doesn't recognise it as a different sized hole?

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Thanks for the files. I set the skin removal width to zero and now the skin around the 4 holes on layers 29-32 gets printed. The skin was being removed because it was narrow than the removal threshold. Hope this helps!

Edited January 15 by smartavionics

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That is ace, thank you very much. i was looking in the wrong places for it! also i have found some settings for surface expansion angle so i can reduce the thickness down of the overhangs. thanks again. Tom.

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We're not only trying to always make Ultimaker Cura better with the usual new features and improvements we build, but we're also trying to make it more pleasant to operate. The interface was the focus for the upcoming release, from which we would already like to present you the first glance.

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Designing for light-weight parts is becoming more important, and I’m a firm believer in the need to produce lighter weight, less over-engineered parts for the future. This is for sustainability reasons because we need to be using less raw materials and, in things like transportation, it impacts the energy usage of the product during it’s service life.